JS中删除json对象组成的数组中的元素

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var test = [{ "a": "1", "b": "2" }, { "a": "3", "b": "4" }, { "a": "5", "b": "6" }];
//splice(begin,length)
//begin:从哪里开始
//length:删除几个
test.splice(1, 1);
var test = [{ "a": "1", "b": "2" }, { "a": "5", "b": "6" }];